I know this is going to sound crazy. And it is going to be hard to explain why it should be so. But the entire structure of the worship of God in the Old Testament apparently existed long before Moses ever heard about it.
There was a tabernacle and all of its paraphernalia in heaven, wherever that is. Oh, it was different, to be sure, in the same way that a real airplane is different from a plastic model. But it was there.
The story is all through the Book of Hebrews and the implications of it are puzzling. Take a look at the eighth chapter of Hebrews, for example.